Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
523965 (1998 XY95)
Classification: TransNeptunian Object          SPK-ID: 2523965
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .416035334445256 4.6029e-05  
a 63.74836744587796 0.0060936 au
q 37.22679407519305 0.00067406 au
i 6.669376758260512 5.2464e-05 deg
node 47.42391580176167 0.00072372 deg
peri 90.0751194172562 0.003455 deg
M 350.6849683003584 0.0024955 deg
tp 2463410.929610582557
(2032-Jun-27.42961058)
0.62097 TDB
period 185909.6904497227
508.99
26.656
0.07298
d
yr
n .001936424073049373 2.7765e-07 deg/d
Q 90.26994081656288 0.0086288 au
  Orbit Determination Parameters
   # obs. used (total)      107  
   data-arc span      6974 days (19.09 yr)  
   first obs. used      1998-12-12  
   last obs. used      2018-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .6255  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 10:47:04  

Additional Information
 Earth MOID = 36.2478 au 
 Jupiter MOID = 31.9115 au 
 T_jup = 6.404 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 6.4   n/a E2018W58  

523965 (1998 XY95)          Discovered 1998-Dec-12 by Fitzsimmons, A., Fletcher, E. at La Palma
Reference: Last Updated: 2019-05-29
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin